Serious Power for the Legendary Transverse 1.8T

The VAG 1.8T 20V transverse engine is one of the most tunable petrol turbo platforms ever produced. If you’re looking for stronger performance while keeping fast response and compact OEM fitment, the  K03 Hybrid Racing Turbo is an ideal solution.

Built using the original K03 / K03s turbocharger and upgraded with larger K04-064 internals, this hybrid turbocharger dramatically improves airflow and power potential while preserving excellent spool characteristics.

Capable of producing 280-300 PS with the right supporting modifications and professional ECU tuning.

Key Benefits

• Supports 280-300 PS
• Very fast spool response
• Strong mid-range torque
• Better top-end pull than stock K03
• OEM-style fitment
• Excellent street / fast-road turbo upgrade

Internal Upgrades Included

Professionally modified with performance components:

• K04-064 turbine wheel
• K04-064 compressor wheel
• Machined housings for larger internals
• Reinforced racing bearing system
• Precision-balanced rotating assembly
• Optimised hybrid flow setup

Performance Characteristics

This turbo is ideal for owners wanting strong gains without sacrificing response.

Expect:

• Rapid boost onset
• Strong acceleration through mid-range
• More top-end power than standard K03 / K03s
• Excellent daily drivability
• Broad usable power band

Specification	Details
Brand	Hybrid Turbo
Engine Compatibility	VAG 1.8T 20V Transverse
Base Turbo	K03 / K03s
Internal Upgrade	K04-064 Turbine + Compressor
Power Output	280–300 PS
Bearing Type	Reinforced Racing Bearings
Fitment	OEM Style / Minor Intake Mod
Max Boost Pressure*	Approx. 1.7–2.0 bar

Product type	Just Upgrade
Power range	300HP

Vehicle Compatibility

Vehicle	Engine Code	Displacement
Audi A3 8L	—	—
Seat Ibiza	—	—
Seat Leon Mk1	—	—
Seat Toledo Mk2	—	—
Skoda Octavia Mk1	—	—
VW Golf IV	—	—

If unsure about compatibility, contact us with VIN number before ordering.

⟶ Warranty
Every upgraded turbocharger comes with a 12-month warranty with no mileage limit.

⟶ Lead Time & Shipping
We typically need around 2 weeks to complete and dispatch your upgraded unit. In more complex cases, allow up to 3 weeks (turbo upgrades demand precision, and our machining process is not something we rush).

Shipping costs and carriers:

• European Union: €25 via DPD
• United Kingdom: €49 via DHL
• Rest of the World: €99 via UPS

Average delivery time: 3–14 working days.

⟶ Full Insurance
Every parcel is fully insured from our workshop to your door.

⟶ Don't See Your Turbo Listed?
Our catalogue is just a fraction of what we can do. Contact us, our development team is constantly working on new models and we can likely build what you need.

⟶ Required Information at Checkout
To ensure your turbocharger is built correctly, please include the following when placing your order:

• Engine code
• Car model
• Stock power output
• VIN number

⟶ Which Option Is Right for You?

• Just Upgrade: You send us your existing turbocharger and we modify it. The unit must be genuine and free of cracks.
• Complete Turbo: We supply a fully built, ready-to-install turbocharger set. Nothing to send, just order and fit.

• Turbo Modification Service (Core Exchange Type)
  This listing is for the modification of your original turbocharger. You must send your turbocharger to us for upgrade.
• Turnaround Time: up to 14 working days after receiving your turbo.
• Ready-built turbocharger may be available separately after prior arrangement.
• If the electronic actuator/controller is damaged, repair/replacement is not included.
• If no old turbo is sent, a refundable core deposit applies.